A236498 Number of (n+1)X(4+1) 0..3 arrays colored with the sum of the maximum and minimum values of each 2X2 subblock

171436, 5217808, 142835932, 4018409892, 117174223516, 3489407550956, 102973945562456, 3020121066420424, 88792796276355104, 2630151938304864872, 77577883405384686460, 2282835478930635726220, 67249052225251448842984

Offset

1,1

Comments

Column 4 of A236500

Links

R. H. Hardin, Table of n, a(n) for n = 1..151

Example

Some solutions for n=1
..2..3..1..1..3....0..1..3..2..0....0..1..3..2..1....0..0..2..2..1
..2..3..2..1..2....0..3..2..3..3....3..2..1..0..0....0..1..1..2..3

Crossrefs

Sequence in context: A235238 A236985 A234088 * A246227 A206115 A204730

Adjacent sequences: A236495 A236496 A236497 * A236499 A236500 A236501

Keyword

nonn

Author

R. H. Hardin, Jan 27 2014

Status

approved